blob: 5796b8614dbdeda9e1f95e52a7521b6122572f09 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
; RUN: opt < %s -postdomtree -analyze | FileCheck %s
; RUN: opt < %s -passes='print<postdomtree>' 2>&1 | FileCheck %s
@a = external global i32, align 4
define void @fn1() {
entry:
store i32 5, i32* @a, align 4
%call = call i32 (...) @foo()
%tobool = icmp ne i32 %call, 0
br i1 %tobool, label %if.then, label %if.end
if.then: ; preds = %entry
br label %loop
loop: ; preds = %loop, %if.then
br label %loop
if.end: ; preds = %entry
store i32 6, i32* @a, align 4
ret void
}
declare i32 @foo(...)
; CHECK: Inorder PostDominator Tree:
; CHECK-NEXT: [1] <<exit node>>
; CHECK: [2] %loop
; CHECK-NEXT: [3] %if.then
; CHECK: Roots: %if.end %loop
|
